SELECT b.name,a.time,c.classname,d.teachername
FROM offer a,student b,classes c,teacher d
WHERE a.studentid=b.studentid AND a.classid=c.classid AND c.teacherid=d.teacherid
FROM offer a,student b,classes c,teacher d
WHERE a.studentid=b.studentid AND a.classid=c.classid AND c.teacherid=d.teacherid
解决方案 »
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